/* Copyright 2018 James Laird-Wah
 * Copyright 2019 Clueboard
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdint.h>
#include <stdbool.h>
#include "quantum.h"
#include "ledmatrix.h"

/* Each driver needs to define a struct:
 *
 *    const led_matrix_driver_t led_matrix_driver;
 *
 * All members must be provided. Keyboard custom drivers must define this
 * in their own files.
 */

#if defined(IS31FL3731) || defined(IS31FL3733)

#if defined(IS31FL3731)
    #include "is31fl3731-simple.h"
#endif

#include "i2c_master.h"

static void init(void) {
    i2c_init();
    #ifdef IS31FL3731
        #ifdef LED_DRIVER_ADDR_1
            IS31FL3731_init(LED_DRIVER_ADDR_1);
        #endif
        #ifdef LED_DRIVER_ADDR_2
            IS31FL3731_init(LED_DRIVER_ADDR_2);
        #endif
        #ifdef LED_DRIVER_ADDR_3
            IS31FL3731_init(LED_DRIVER_ADDR_3);
        #endif
        #ifdef LED_DRIVER_ADDR_4
            IS31FL3731_init(LED_DRIVER_ADDR_4);
        #endif
    #else
        #ifdef LED_DRIVER_ADDR_1
            IS31FL3733_init(LED_DRIVER_ADDR_1);
        #endif
        #ifdef LED_DRIVER_ADDR_2
            IS31FL3733_init(LED_DRIVER_ADDR_2);
        #endif
        #ifdef LED_DRIVER_ADDR_3
            IS31FL3733_init(LED_DRIVER_ADDR_3);
        #endif
        #ifdef LED_DRIVER_ADDR_4
            IS31FL3733_init(LED_DRIVER_ADDR_4);
        #endif
    #endif

    for (int index = 0; index < LED_DRIVER_LED_COUNT; index++) {
        #ifdef IS31FL3731
            IS31FL3731_set_led_control_register(index, true);
        #else
            IS31FL3733_set_led_control_register(index, true);
        #endif
    }
    // This actually updates the LED drivers
    #ifdef IS31FL3731
        #ifdef LED_DRIVER_ADDR_1
            IS31FL3731_update_led_control_registers(LED_DRIVER_ADDR_1, 0);
        #endif
        #ifdef LED_DRIVER_ADDR_2
            IS31FL3731_update_led_control_registers(LED_DRIVER_ADDR_2, 1);
        #endif
        #ifdef LED_DRIVER_ADDR_3
            IS31FL3731_update_led_control_registers(LED_DRIVER_ADDR_3, 2);
        #endif
        #ifdef LED_DRIVER_ADDR_4
            IS31FL3731_update_led_control_registers(LED_DRIVER_ADDR_4, 3);
        #endif
    #else
        #ifdef LED_DRIVER_ADDR_1
            IS31FL3733_update_led_control_registers(LED_DRIVER_ADDR_1, 0);
        #endif
        #ifdef LED_DRIVER_ADDR_2
            IS31FL3733_update_led_control_registers(LED_DRIVER_ADDR_2, 1);
        #endif
        #ifdef LED_DRIVER_ADDR_3
            IS31FL3733_update_led_control_registers(LED_DRIVER_ADDR_3, 2);
        #endif
        #ifdef LED_DRIVER_ADDR_4
            IS31FL3733_update_led_control_registers(LED_DRIVER_ADDR_4, 3);
        #endif
    #endif
}

static void flush(void) {
    #ifdef IS31FL3731
        #ifdef LED_DRIVER_ADDR_1
            IS31FL3731_update_pwm_buffers(LED_DRIVER_ADDR_1, 0);
        #endif
        #ifdef LED_DRIVER_ADDR_2
            IS31FL3731_update_pwm_buffers(LED_DRIVER_ADDR_2, 1);
        #endif
        #ifdef LED_DRIVER_ADDR_3
            IS31FL3731_update_pwm_buffers(LED_DRIVER_ADDR_3, 2);
        #endif
        #ifdef LED_DRIVER_ADDR_4
            IS31FL3731_update_pwm_buffers(LED_DRIVER_ADDR_4, 3);
        #endif
    #else
        #ifdef LED_DRIVER_ADDR_1
            IS31FL3733_update_pwm_buffers(LED_DRIVER_ADDR_1, 0);
        #endif
        #ifdef LED_DRIVER_ADDR_2
            IS31FL3733_update_pwm_buffers(LED_DRIVER_ADDR_2, 1);
        #endif
        #ifdef LED_DRIVER_ADDR_3
            IS31FL3733_update_pwm_buffers(LED_DRIVER_ADDR_3, 2);
        #endif
        #ifdef LED_DRIVER_ADDR_4
            IS31FL3733_update_pwm_buffers(LED_DRIVER_ADDR_4, 3);
        #endif
    #endif
}

const led_matrix_driver_t led_matrix_driver = {
    .init = init,
    .flush = flush,
#ifdef IS31FL3731
    .set_value = IS31FL3731_set_value,
    .set_value_all = IS31FL3731_set_value_all,
#else
    .set_value = IS31FL3733_set_value,
    .set_value_all = IS31FL3733_set_value_all,
#endif
};


#endif
